Refrigerator and freezer

Details Refrigerator and freezer Refrigerator and freezer

1986-12-15

1988-03-15

Capossela, Ronald C.

Refrigeration

Air compressor, cooler and expander type

62275, 165 54, 165101, F25D 900

Patent

active

047304642

ABSTRACT:
A refrigeration apparatus includes a cooling chamber having a given useful space therein, and a cold generator having a cold air loop connected to the cooling chamber for cooling the given useful space, the cold air loop including a compressing device, a heat exchanger disposed downstream of the compressing device and exposed to the ambient air for cooling air drawn from the useful space with a relatively high temperature level almost to the temperature of the ambient air after compression, cooling device downstream of the heat exchanger, an expansion device downstream of the cooling device, the air being returned to the useful space after subsequent expansion and corresponding cooling below the lowest temperature level, and an additional heat exchanger for dehumidifying the circulated air current in the loop, the additional heat exchanger including heat exchanger surfaces, air drawn from the cooling chamber being dried from the upper temperature level with the aid of expanded cold air by the of condensation of absorbed moisture on the heat exchanger surfaces.

REFERENCES:
patent: 2496602 (1950-02-01), Schlichtig
patent: 2997131 (1961-08-01), Fisher
patent: 3692096 (1972-09-01), Petterson et al.
patent: 3868827 (1975-03-01), Lindharot et al.
patent: 4295518 (1981-10-01), Rannenberg

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